![]() In this tutorial we’ll look at the Waveshare NFC HAT, an add-on for Raspberry Pi computers that allows you to interact with NFC and RFID tokens. ![]() Most people come into contact with these systems every day, whether it’s using contactless payment, or a card to unlock a hotel or office door. ![]() RFID supports a simple ID message that shouts ‘I exist’, whereas NFC allows for both reading and writing of data. Both allow a device to receive data from a passive token or tag (meaning it doesn’t require external power to work). NFC (near-field communication) is based on the RFID (radio-frequency identification) standard. The HAT is not hard on resources, so you can use many variants of Raspberry Pi In the latest issue of HackSpace magazine, PJ Evans goes contactless. Add a bit of security to your project or make things selectableīy using different cards.
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